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why java.sql package contain most interface like Statement,preparedStatement ?  RSS feed

 
vitthal wable
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why java.sql package contain most interface like Statement,preparedStatement,ResultSet?
 
Paul Sturrock
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All these interfaces are implemented in a database specific way by the JDBC driver you use. So you can code to the interface, but change the implementation at runtime.
 
It is sorta covered in the JavaRanch Style Guide.
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